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Qualcomm provides Super 3G's missing uplink
News The reality is that Qualcomm has been instrumental and taken a leadership position in moving W-CDMA [the base technology for 3G] to upgrade itself with HSDPA and now HSUPA," he told ZDNet UK on Wednesday.
[July 20, 2006, 11:15]
Next-Generation Transport Cores for Mobile Networks
White Papers Mobile operators are having to increase their transport network spending by up to 25 percent to support new air interface capabilities like High Speed Packet Access (HSPA) and CDMA 1X EV-DO. This webinar will address the steps that operators are...
[June 16, 2006, 0:00]
Cisco CDMA2000 Packet Data Services
White Papers This paper describes Cisco CDMA2000 Packet Data Services, a standards-based, cost-effective solution that allows mobile operators to deliver feature-rich packet data services in a Code Division Multiple Access (CDMA) environment.
[May 8, 2009, 4:21]
Joint Uplink and Downlink Capacity Considerations in Admission Control in Multiservice CDMA/HSDPA Systems
White Papers Those two links are asymmetric in the case of CDMA-based High Data Rate (HDR)/High-Speed Downlink Packet Access (HSDPA) systems, the uplink being much slower than the downlink and thus, in some cases, restrictive in terms of the achievable...
[December 21, 2007, 0:01]
Capacity and QoS for Streaming Video Applications Over TCP in CDMA Based Networks
White Papers This paper studies the capacity, i.e.the number of customers per cell, and the quality of service for streaming video in the uplink direction of a cellular Code Division Multiple Access (CDMA){based wireless system.
[December 20, 2007, 0:01]
Empowering UMTS Networks With the Unique HSDPA Solution From Nortel
White Papers Nortel's leadership in 1xEVDO, the HSDPA-like solution for CDMA 2000, and more than five years of UMTS development with a stable solution in commercial networks based on the fourth UMTS Release, Nortel will empower UMTS networks with a smooth and...
[October 5, 2007, 4:19]
Sharp ships Linux PDA
News General Packet Radio Service (GPRS) and next-generation CDMA (code division multiple access) modems called 1xRTT modems -- both of which can take advantage of the improved data capabilities of next-generation cellular networks -- are planned for...
[April 4, 2002, 9:22]
Kyocera bridges mobile standards divide
News Short for CDMA20001xrtt, 1x is built on the CDMA (Code Division Multiple Access) standard and promises to double voice calling capacity and create a wireless Internet with download speeds of 40kbps to 60kbps (kilobits per second).
[August 13, 2003, 12:10]
Qualcomm mixes network cocktail
News Short for CDMA20001xrtt, 1x is built on the CDMA (Code Division Multiple Access) standard and promises to double voice calling capacity and create a wireless Web with download speeds of 40Kbps to 60Kbps (kilobits per second).
[November 11, 2002, 14:18]
3G: We're off to see the future!
News The major telecoms providers are struggling to demonstrate that W-CDMA technology is already out of the R&D labs and is making an appearance in real life. An agreement has been reached between existing GSM equipment suppliers, mostly European, and...
[August 23, 2000, 14:43]
Mobile industry looks ahead to 4G
News Nokia and Samsung have teamed up to create 4G wireless equipment, a move which not only demonstrates support of the 4G concept, but perhaps an acknowledgement from Nokia that CDMA networks will pose a bigger threat to its native GSM networks in 3G...
[May 13, 2003, 15:56]
IMS Primer: Enabling Enhanced Service Delivery
White Papers The IMS offers Service Providers a complete access independence because it can support IP to IP session over wireline IP, 802.11, 802.15, CDMA, and packet data over GSM/EDGE/UMTS. The IP Multimedia Subsystem (IMS), defined by 3GPP and 3GPP2...
[January 8, 2008, 0:01]
Seamless Roaming: Advantages to Mobile Operators and Their Subscribers
White Papers Seamless roaming enables a mobile operator's data subscribers to remain continuously connected as they cross network boundaries and use different radio access networks, including Wi-Fi, General Packet Radio Service (GPRS), Code Division Multiple...
[April 11, 2008, 2:57]
(E)GPRS Measurements With R&S CMU200 and CMUgo
White Papers The Radio Communication Tester R&S CMU200 can be used to perform fast and accurate measurements of different standards such as GSM, IS-136, AMPS, CDMA, cdma2000, 1xEVDO, WCDMA and Bluetooth. One aspect of GSM are the packet-oriented services GPRS...
[July 29, 2007, 23:05]
A Study in Mobile Messaging
White Papers Existing Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA) mobile networks use Short Message Service (SMS) as a multipurpose data service that enables rapid deployment of data applications without the need for...
[June 12, 2008, 1:01]
Comparison Between Vertical Handoff Decision Algorithms for Heterogeneous Wireless Networks
White Papers The next generation wireless networks will support the vertical handoff mechanism in which users can maintain the connections when they switch from one network to another (e.g.from IEEE 802.11b to CDMA 1xRTT network, and vice versa).
[May 19, 2006, 1:00]
WiMax's head start over LTE may decide 4G race
News Comparing the two competing technologies to another pair of competing standards — GSM and CDMA — Kellett said GSM is the dominant cellular technology globally because it was first to market. CDMA, on which Sprint Nextel operates, has a stronger...
[April 11, 2008, 8:13]
Qualcomm: 3G will beat Wi-Fi
News They've all built high-speed wireless networks using 3G technologies with names like CDMA 2000 1xrtt, or 2.5G technology such as General Packet Radio Service (GPRS) -- doubling the capacity of their networks for voice calls and creating a wireless...
[March 19, 2003, 9:58]
Qualcomm mum on Nokia's 5 percent solution
News San Diego-based chipmaker Qualcomm, which owns about 20 percent of the patents on the wideband-CDMA standard, hasn't yet indicated whether it will endorse a fee plan floated by rival Nokia and a group of other companies.
[November 8, 2002, 10:01]
4G gets more serious
News Variable Spreading Factor Orthogonal Frequency and Code Division Multiplexing (VSF-OFCDM) provides the downlink from the network, and Variable Spreading Factor Code Division Multiple Access (VSF-CDMA) is used for the uplink.
[June 11, 2004, 17:55]
